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Commit e5d83c74 authored by Paolo Bonzini's avatar Paolo Bonzini
Browse files

kvm: make KVM_CAP_ENABLE_CAP_VM architecture agnostic 



The first such capability to be handled in virt/kvm/ will be manual
dirty page reprotection.

Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent bb22dc14

Documentation/virtual/kvm/api.txt

+9 −4
Original line number Diff line number Diff line
@@ -1129,10 +1129,15 @@ documentation when it pops into existence). 


4.37 KVM_ENABLE_CAP



Capability: KVM_CAP_ENABLE_CAP, KVM_CAP_ENABLE_CAP_VM

Architectures: x86 (only KVM_CAP_ENABLE_CAP_VM),

	       mips (only KVM_CAP_ENABLE_CAP), ppc, s390

Type: vcpu ioctl, vm ioctl (with KVM_CAP_ENABLE_CAP_VM)

Capability: KVM_CAP_ENABLE_CAP

Architectures: mips, ppc, s390

Type: vcpu ioctl

Parameters: struct kvm_enable_cap (in)

Returns: 0 on success; -1 on error



Capability: KVM_CAP_ENABLE_CAP_VM

Architectures: all

Type: vcpu ioctl

Parameters: struct kvm_enable_cap (in)

Returns: 0 on success; -1 on error

arch/powerpc/kvm/powerpc.c

+2 −12
Original line number Diff line number Diff line
@@ -518,7 +518,6 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) 
	case KVM_CAP_PPC_UNSET_IRQ:

	case KVM_CAP_PPC_IRQ_LEVEL:

	case KVM_CAP_ENABLE_CAP:

	case KVM_CAP_ENABLE_CAP_VM:

	case KVM_CAP_ONE_REG:

	case KVM_CAP_IOEVENTFD:

	case KVM_CAP_DEVICE_CTRL:
@@ -2084,7 +2083,7 @@ int kvm_vm_ioctl_irq_line(struct kvm *kvm, struct kvm_irq_level *irq_event, 
}





static int kvm_vm_ioctl_enable_cap(struct kvm *kvm,

int kvm_vm_ioctl_enable_cap(struct kvm *kvm,

			    struct kvm_enable_cap *cap)

{

	int r;
@@ -2273,15 +2272,6 @@ long kvm_arch_vm_ioctl(struct file *filp, 


		break;

	}

	case KVM_ENABLE_CAP:

	{

		struct kvm_enable_cap cap;

		r = -EFAULT;

		if (copy_from_user(&cap, argp, sizeof(cap)))

			goto out;

		r = kvm_vm_ioctl_enable_cap(kvm, &cap);

		break;

	}

#ifdef CONFIG_SPAPR_TCE_IOMMU

	case KVM_CREATE_SPAPR_TCE_64: {

		struct kvm_create_spapr_tce_64 create_tce_64;

arch/s390/kvm/kvm-s390.c

+1 −10
Original line number Diff line number Diff line
@@ -464,7 +464,6 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) 
	case KVM_CAP_S390_CSS_SUPPORT:

	case KVM_CAP_IOEVENTFD:

	case KVM_CAP_DEVICE_CTRL:

	case KVM_CAP_ENABLE_CAP_VM:

	case KVM_CAP_S390_IRQCHIP:

	case KVM_CAP_VM_ATTRIBUTES:

	case KVM_CAP_MP_STATE:
@@ -607,7 +606,7 @@ static void icpt_operexc_on_all_vcpus(struct kvm *kvm) 
	}

}



static int kvm_vm_ioctl_enable_cap(struct kvm *kvm, struct kvm_enable_cap *cap)

int kvm_vm_ioctl_enable_cap(struct kvm *kvm, struct kvm_enable_cap *cap)

{

	int r;
@@ -1933,14 +1932,6 @@ long kvm_arch_vm_ioctl(struct file *filp, 
		r = kvm_s390_inject_vm(kvm, &s390int);

		break;

	}

	case KVM_ENABLE_CAP: {

		struct kvm_enable_cap cap;

		r = -EFAULT;

		if (copy_from_user(&cap, argp, sizeof(cap)))

			break;

		r = kvm_vm_ioctl_enable_cap(kvm, &cap);

		break;

	}

	case KVM_CREATE_IRQCHIP: {

		struct kvm_irq_routing_entry routing;

arch/x86/kvm/x86.c

+2 −12
Original line number Diff line number Diff line
@@ -3008,7 +3008,6 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) 
	case KVM_CAP_HYPERV_TIME:

	case KVM_CAP_IOAPIC_POLARITY_IGNORED:

	case KVM_CAP_TSC_DEADLINE_TIMER:

	case KVM_CAP_ENABLE_CAP_VM:

	case KVM_CAP_DISABLE_QUIRKS:

	case KVM_CAP_SET_BOOT_CPU_ID:

 	case KVM_CAP_SPLIT_IRQCHIP:
@@ -4431,7 +4430,7 @@ int kvm_vm_ioctl_irq_line(struct kvm *kvm, struct kvm_irq_level *irq_event, 
	return 0;

}



static int kvm_vm_ioctl_enable_cap(struct kvm *kvm,

int kvm_vm_ioctl_enable_cap(struct kvm *kvm,

			    struct kvm_enable_cap *cap)

{

	int r;
@@ -4765,15 +4764,6 @@ long kvm_arch_vm_ioctl(struct file *filp, 
		r = 0;

		break;

	}

	case KVM_ENABLE_CAP: {

		struct kvm_enable_cap cap;



		r = -EFAULT;

		if (copy_from_user(&cap, argp, sizeof(cap)))

			goto out;

		r = kvm_vm_ioctl_enable_cap(kvm, &cap);

		break;

	}

	case KVM_MEMORY_ENCRYPT_OP: {

		r = -ENOTTY;

		if (kvm_x86_ops->mem_enc_op)

include/linux/kvm_host.h

+2 −0
Original line number Diff line number Diff line
@@ -765,6 +765,8 @@ int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, 


int kvm_vm_ioctl_irq_line(struct kvm *kvm, struct kvm_irq_level *irq_level,

			bool line_status);

int kvm_vm_ioctl_enable_cap(struct kvm *kvm,

			    struct kvm_enable_cap *cap);

long kvm_arch_vm_ioctl(struct file *filp,

		       unsigned int ioctl, unsigned long arg);